X = 31, Y = 63 satisfy the case of 0 ≤ Y < 100 as an expression.
What are algebraic expression?An algebraic expression in mathematics is an expression that consists of variables and constants and algebraic operations (addition, subtraction, etc.). Expressions are made up of concepts.
Assume Kaimi was supposed to be paid X dollars Y cents (0 ≤ Y ≤ 100)
But the teller gave him Y dollars X cents.
Thus kaimi has 100Y + X cents.
A nickel is worth 5 cents.
Hence, after buying the piece of candy for a nickel, Kaimi would be left with 100Y + X - 5 cents.
This is twice his paycheck:
⇒ 100Y + X - 5 = 2(100X + Y)
⇒ 100Y + X - 5 = 200X + 2Y
⇒ 98Y - 199X = 5
199 = 98 × 2 + 3 ⇒ 3 = 199 - 98 × 2
98 = 3 × 32 + 2 ⇒ 2 = 98 - 3 × 32
3 = 2 × 1 + 1 ⇒ 1 = 3 - 2 × 1
2 = 1 × 2 + 0 ⇒ ged(199, 98) = 1
1 = 3 - 2 × 1
= 3 - (98 - 3 × 32) × 1 [∵ 2 = 98 - 3 × 32]
= 3 - 98 × 1 + 3 × 32
= 3 × 33 - 98 × 1
= (199 - 98 × 2) × 33 - 98 × 1 [∵ 3 = 199 - 98 × 2]
= 199 × 33 - 98 × 67
⇒ 1 = 199 × 33 - 98 × 67
⇒ 5(1) = 5 (199 × 33 - 98 × 67)
⇒ 5 = 199(165) - 98(335) [∵ 5 ×33 = 165, 5 × 67 = 335]
⇒ 199(165) - 98(335) = 5
⇒ 98(-335) - 199(-165) = 5
Hence, (X,Y) = (-165, -335) is a solution to 98Y - 199X = 5
But it is required that 0 ≤ Y < 100
Now since it is the difference of two quantities, 98Y and 199X, that is a constant, 5, either both of these quantities will increase simultaneously or both will decrease simultaneously.
Hence, either both X, Y will increase or both, X, Y will decrease.
To bring Y = -335 in the range of 0 ≤ Y < 100, it needs to be increased.
Hence, both X, Y will increase.
X will increase by the absolute value of the coefficient of Y and vice-versa. Hence, X will increase by 98 and Y will increased by 199 to give
(X, Y) = (-165 + 98, -335 +199) = (-67, -136)
Still, it is not the case that 0 ≤ Y < 100
Hence, again X will increase by 98 and Y will increase by 199 to give
(X, Y) = (-67 +98, -136 +199) = (31, 63)
Now, it is the case that 0 ≤ Y = 63 < 100
∴ X = 31, Y = 63
Note that the increasing X again by 98 and Y by 199 will violate
0 ≤ Y < 100. Hence, this is the unique solution.
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Easton earned a grade of 75% on his multiple choice science final that had a total of
200 problems. How many problems on the final exam did Easton answer correctly?
Answer:
Its 150
Step-by-step explanation:
It’s for pre college
Answer:
the slope is -5/3
Step-by-step explanation:
Find slope of the line using the formula: slope= difference between vertical changes / difference between horizontal changes= (-9-1) / 2-(-4) = -10/6=-5/3
Answer:
19) slope = undefined
20) slope = \(\mathsf{-\frac{5}{3} }\)
Step-by-step explanation:
19) Graph of a vertical lineGiven the graph of a vertical line, with coordinates of (-2, 3) and (-2, -3):
Since the formula for solving the slope of a line is given by:
\(\mathsf{m = \frac {(y_2\: -\: y_1)}{(x_2\: -\: x_1)}}\)
This implies that a vertical line has no horizontal change. Therefore, the value of the denominator in the given formula will be: x₂ - x₁ = 0. This division by zero is an undefined operation, hence the slope of a vertical line is undefined.
20) Find the slope of a line through the given pair of points.
Given the coordinates, (2, -9) and (-4, 1), substitute these values into the following slope formula:
\(\mathsf{m = \frac {(y_2\: -\: y_1)}{(x_2\: -\: x_1)}}\)
Let (x₁, y₁) = (2, -9)
(x₂, y₂) = (-4, 1)
Substitute these values into the given formula:
\(\mathsf{m = \frac {(y_2\: -\: y_1)}{(x_2\: -\: x_1)}}\)
\(\mathsf{m = \frac {1\: -\: (-9)}{-4\: -\:2}\:=\:\frac {1\: +\:9}{-6}\:=\:\frac{10}{-6}\:=\:-\frac{5}{3}}\)
Therefore, the slope of the line is, \(\mathsf{m\:=\:-\frac{5}{3} }\).
Which exponential expressions are equivalent?
Answer:
The answer is D and B
Step-by-step explanation:
What is the answer of this triangle congruence question.
The value of x in the triangles are 9.
What is a quadratic equation?For variable x : ax² + bx + c = 0, where a≠0 is a standard quadratic equation, which is a second-order polynomial equation in a single variable. It has at least one solution since it is a second-order polynomial equation, which is guaranteed by the algebraic basic theorem.
Given:
The triangles are congruent.
That means, their corresponding angles are also congruent.
In ΔJKL,
the sum of all the angles of the triangle is 180°.
So,
x²-2x + x + 29 + 3x + 52 = 180
x² + 2x - 99 = 0
Solving the quadratic equation,
x² +11x - 9x - 99 = 0.
x (x + 11) -9 (x + 11) = 0
x = 9 and x = -11
Here, we take x = 9.
Therefore, the value of x is 9.
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salesperson earns $345 for selling $2300 in merchendice find the commison rate
Answer:
The commission rate is 15%
Step-by-step explanation:
commission = commission rate x sales
where the commission rate is expressed as a decimal.
In this case, the salesperson earned a commission of $345 for selling $2,300 in merchandise. Therefore, we have:
345 = commission rate x 2300
To solve for the commission rate, we can divide both sides by 2300:
commission rate = 345/2300
Simplifying this expression, we get:
commission rate = 0.15
So, the commission rate is 15%
Solve for measure of angle a.
55°
a = [?]°
25° ат
Check the picture below.
Line A contains the points (– 6, – 3) and (– 2, – 1). Line B contains the points (8, 2) and (12, 4).
How many solutions does the system of equations have?
Answer:
One Answer
Step-by-step explanation:
Take two points like (8,2) and (12,4) and do y2-y1/x2-x1.
4-2/12-8 = 4/2 = 2.
Then that another point and plug it in to the equation, y = 2x + b.
i will use (8,2). 2 = 2(8)+b. solve this and you get b= -14.
now you found your answer. y=2x + -14.
Which of the following is the correct if clause to determine whether y is in the range 10 through 50, inclusive? (Points : 1) A) ify>=10 and y <= 50: B) if10 > y and y < 50: C) if y >= 10 or y <= 50; D) if 10,y ory.50
We follow the inclusive rule, The answer to the question is (A) that is
if y>=10 and y <=50
What do you mean by intervals?In mathematics, an interval is expressed in numerical terms. All the numbers between two specific integers are referred to as an interval. All actual values between those two are included in this range. Any form of number you may imagine is a real number.
What are the symbols and their meaning of the intervals?The intervals used are:
(a , b) , All the numbers between a & b without including them.
[a, b] , All the numbers between a & b including them.
y lies in [10,50].
And since it means that it includes 10 and 50 and all the numbers between them.
The final answer is (A) that is if y>1=10 and y <=50.
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A fraction can easily be written as a percent when the denominator is _________________.
Group of answer choices
50
10
100
20
Answer:
it can be 100 because percentages are out of 100
PLEASE HELP ME WITH THIS QUESTION PLS!!
Answer:
Okays so John is going 50mph
50 is 1 hour
100 is 2 hours
150 is 3 hours
200 is 4 hours
250 is 5 hours
300 is 6 hours
350 is 7 hours
400 is 8 hours
450 is 9 hours
500 is 10 hours
550 is 11 hours
600 is 12 hours
650 is 13 hours
700 is 14 hours
750 is 15 hours
He will go 750 miles from his starting point in 15 hours
The answer is: 750 miles
I hope this helps you!
Some people are concerned that new tougher standards andhigh-stakes tests adopted in many states have driven up the high school dropout rate. The National Center for Education Statistics reported that the high school dropout rate for the year 2014 was 6.5%. One school district whose dropout rate has always been very close to the national average reports that 125 of their 1767 high school students dropped out last year. Is this evidence that their dropout rate may be increasing? Explain.
Answer:
Step-by-step explanation:
Calculate the drop-out rate given the data:
125/1767 x 100% = 7.1 % drop out rate <==== indicates it might be increasing since it is greater than the usual 6.5 % drop out rate.
21 students went on an exchange program to hong kong. There were 11 more women than men. How many woman are there?
Answer:
11
Step-by-step explanation:
11 + 10 = 21
24-5₂
Sorry i tried to put the 2 at the top edge of the 5 but i could not.
Drag the ruler over each side of the triangle to find its length. The length of AB is . The length of BC is . ASAP Drag the protractor over each angle to find its measure. The measure of angle C is . The measure of angle B is .
Answer:
Drag the ruler over each side of the triangle to find its length.
The length of AB is
✔ 5
.
The length of BC is
✔ 4
.
Drag the protractor over each angle to find its measure.
The measure of angle C is
✔ 90°
.
The measure of angle B is
✔ 36.9°
.
Step-by-step explanation:
The length of sides AB and BC of the triangle will be 5 units and 4 units. And the measure of angle C and angle B of the triangle will be 90° and 37°.
What is a right-angle triangle?It's a form of a triangle with one 90-degree angle that follows Pythagoras' theorem and can be solved using the trigonometry function.
Drag the ruler over each side of the triangle to find its length.
The length of side AB of the triangle is 5 units.
The length of side BC of the triangle is 4 units.
Drag the protractor over each angle to find its measure.
The measure of angle C of the triangle is 90°.
The measure of angle B of the triangle is 37°.
The length of sides AB and BC of the triangle will be 5 units and 4 units.
And the measure of angle C and angle B of the triangle will be 90° and 37°.
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Right triangles ABC and DBC
Answer:
The writing is blurry. Please snap again in closer range
inverse function of f(x)=x-7/x+4
Final Answer: The inverse of f (x)=7x-4 is f^-1 (x)= (x+4)/7
Carrie and Steve agree to a $149,000 mortgage at 5.5% annual interest for 30 years. They have a monthly payment of $846.01 and the interest paid in month one is $682.92. Assuming they only make the minimum payment in month one, what do you know about their loan?
They make the minimum payment in month one, which is just the interest from the value of the mortgage. That means that the initial $149.000 has no change, if the value of the mortgage has no change, and the interest neither, then the interest in month two will be $682.92.
given the function f(x)=11x-22
find f(3)
Answer:
f(x)=11x-22
f(3)=11(3)-22
11(3)-22
33-22=11
what is 3/4 plus 3/5 in a mixed number
Answer:
1 7/20
Step-by-step explanation:
3/4 + 3/5 =
27/20 = 1 7/20
Answer:
Ok so write them down and MAKE SURE THE DENOMINATOR is the same and whatever to do to the bottom you must do to the top
Step-by-step explanation:
3/4+3/5 so then the LCM of both the numbers is 20 so it's 15/20+15/20=30/20 but then how many times does 30 got into 20 that's one how many is left 10 so the awnser is 1 10/20
I'LL MARK THE BRAINLIEST!!!!!!!!! PLEASE HELP ASAP!
This figure shows the dimensions of a right triangular prism. What is the volume of the right triangular prism in cubic meters?
60m
30m
15m
50m
Answer: 60m
Step-by-step explanation: V= b x h x l
2-D shape
Rectangle
Square
Parallelogram
Rhombus
Triangle
Illustration
Properties
1) What properties are common across a square and a rectangle and what is the
distinguishing feature?
(2)
2) Do you agree with the statement that a square is a special type of rectangle? Give a reason
for your answer.
(2)
3
3) What properties are common across a rhombus and a parallelogram and that is the
distinguishing feature?
5) What are the three features used to describe 3-dimensional objects?
(2)
4) Do you agree with the statement that a rhombus is is a special type of parallelogram? Give
a reason for your answer.
(2)
(2)
The distinguishing feature between a square and a rectangle is that all sides of a square are equal in length.
Yes, a square is a special type of rectangle because it possesses all the properties of a rectangle.
The distinguishing feature of a rhombus is that all sides are equal in length, while a parallelogram can have unequal side lengths.
Yes, a rhombus is a special type of parallelogram because it possesses the properties of a parallelogram and has all sides equal in length.
The three features used to describe 3-dimensional objects are faces, edges, and vertices.
The common properties between a square and a rectangle are that both have four sides, four right angles (90 degrees), and opposite sides that are parallel. The distinguishing feature is that all sides of a square are equal in length, while a rectangle can have unequal side lengths.
Yes, a square is a special type of rectangle. A rectangle is defined as a quadrilateral with four right angles, while a square is a specific type of rectangle where all sides are equal in length. Since a square possesses all the properties of a rectangle, including four right angles, it can be considered a special case of a rectangle.
The common properties between a rhombus and a parallelogram are that both have four sides and opposite sides that are parallel. The distinguishing feature of a rhombus is that all sides are equal in length, while in a parallelogram, the opposite sides are equal in length.
Yes, a rhombus is a special type of parallelogram. A parallelogram is defined as a quadrilateral with opposite sides that are parallel. A rhombus possesses this property, but it also has the additional feature of having all sides equal in length. Therefore, a rhombus can be considered a special case of a parallelogram.
The three features used to describe 3-dimensional objects are:
Faces: The flat surfaces that make up the object.
Edges: The lines where two faces intersect.
Vertices: The points where multiple edges meet.
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Question 6 of 11 Step 1 of 6 No Time Limit The table below gives the list price and the number of bids received for five randomly selected items sold through online auctions. Using this data, consider the equation of the regression line, û = bo + bjx, for predicting the number of bids an item will receive based on the list price. Keep in mind, the correlation coefficient may or may not be statistically significant for the data given. Remember, in practice, it would not be appropriate to use the regression line to make a prediction if the correlation coefficient is not statistically significant.
Price in Dollars 23 34 44 46 50
Number of Bids 1 2 4 9 10
Step 1 of 6: Find the estimated slope. Round your answer to three decimal places.
The estimated slope is approximately 2.344
The given table is presented as follows;
\(\begin{array}{ccc}Number \ of Bids &&Price \ in \ Dollars\\1&&23\\2&&34\\4&&44\\9&&46\\10&&50\end{array}\)
The regression line formula to be considered = \(\bar u = b_0 + b\cdot \bar x\)
The required parameter is;
The estimated slope
The method to find the estimate slope;
The least squares regression formula (method) is presented as follows;
\(\bar u = b_0 + b\cdot \bar x\)
Where;
b₀ = The y-intercept
\(\mathbf{ b = \dfrac{\sum \left(x_i - \bar x\right) \times \left(u_i - \bar u\right) }{\sum \left(x_i - \bar x\right )^2 } = The \ estimated \ slope}\)
From MS Excel, we have;
\(\bar x\) = 5.2, \(\bar u\) = 39.4
\(\sum \left(x_i - \bar x\right) \times \left(u_i - \bar u\right)\) = 156.6
\({\sum \left(x_i - \bar x\right )^2 }\) = 66.8
Therefore;
The estimated slope, b = 156.6/66.8 ≈ 2.344 (by rounding the answer to three decimal places)
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The formula for the area of a square is A=s? where s represents the side length of a square. If the side length of the square is 5cm, what will be the area of the square?
PLEASE HELP AS SOON AS POSSIBLE
Answer:
B
Step-by-step explanation:
Yes, because for each input there is exactly one output. You can have two of the same x values but you cannot have 2 of the same y values. if you have two of the same y values, it is not a function as it doesn't pass the vertical line test.
Sylvia uses 1 over 4 cup of butter for each batch of cookies she makes. Which expression shows how many cups of butter Sylvia needs for left parenthesis x right parenthesis number of batches of cookies?
Answer:
4(1/4 x)
Step-by-step explanation:
I had this question.
PLEASE HELP WILL GIVE BRAINLIEST
The number of automobiles in a certain town was 1,890 in 2015, and it was 2,420 in 2020. If we were to make a linear model that gives the number of automobiles in this town as a function of the number of years since 2015, what would be the y-intercept?
The y-intercept of the linear model is 211,400, which represents the estimated number of automobiles in the town in the year 2015 (when the independent variable is zero).
To find the y-intercept of the linear model, we need to determine the value of the dependent variable (the number of automobiles) when the independent variable (the number of years since 2015) is equal to zero.
Let's first find the slope of the line, which represents the rate of change of the number of automobiles per year:
slope = (change in number of automobiles) / (change in number of years)
slope = (2420 - 1890) / (2020 - 2015) = 106 automobiles per year
Now we can use the point-slope form of a linear equation to find the y-intercept:
y - y1 = m(x - x1)
where y1 is the value of the dependent variable when the independent variable is x1. In this case, x1 = 2015, y1 = 1890, and m = 106 (the slope we just calculated).
y - 1890 = 106(x - 2015)
To find the y-intercept, we can set x = 0:
y - 1890 = 106(0 - 2015)
y - 1890 = -213,290
y = 211,400
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3. The photo below is being enlarged to form
a 16-by 20- inch print. What is the scale
factor being used to enlarge it?
4 in
5 in
Answer:
4 in
Step-by-step explanation:
Given the following data;
Length = 16 in
Width = 20 in
To find the scale factor;
Scale = 16:20
Dividing by 4, we have;
Scale = 4:5
Therefore, the scale factor is 4 in.
Scale = scale factor * ratio
Scale = 4 * (4:5)
Scale = 16:20
his composite figure is made of two identical pyramids attached at their bases. Each pyramid has a height of 2 units. 2 identical pyramids with rectangular bases are connected at their base. The height of the pyramid is 2. The lengths of the sides of the rectangle are 5 and 0.25 units. Which expression represents the volume, in cubic units, of the composite figure? One-half (One-third (5) (0.25) (2) ) One-half (One-third (5) (0.25) (4) ) 2(One-third (5) (0.25) (2) ) 2(One-third (5) (0.25) (4) )
The expression that will represent the volume of the identical rectangular base pyramid is: 2[One-third (5) (0.25) (2)] cubic units.
How to evaluate the expression for the volume of the identical pyramidTo calculate for the volume of a rectangular base pyramid, we use the formula:
volume = 1/3 × area of base rectangle × height
volume of one identical pyramid = (1/3 × 5 × 0.5 × 2)cubic units
volume of the two identical pyramid = 2(1/3 × 5 × 0.5 × 2)cubic units.
Therefore, the expression that will represent the volume of the identical rectangular base pyramid is: 2[One-third (5) (0.25) (2)] cubic units.
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Helpp 8 grade hellppp
With the given coordinates (-3, 1) and (0, 4), the slope is 1.
What is slope of a line?The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.
The formula to find the slope of a line is slope = (y2-y1)/(x2-x1)
Here,
1) (-3, 1) and (0, 4)
Δy=(4-1)=3 and Δx=(0(-3))=3
So, m= Δy/Δx =3/3 =1
2) (-6, 27) and (2, 3)
Δy=(3-27)=24 and Δx=(2-(-6))=8
So, m= Δy/Δx =24/8 =3
3) (5, 27) and (0, -8)
Δy=(-8-27)=-35 and Δx=(0-5)=-5
So, m= Δy/Δx =(-35)/(-5) =7
4) (1, 0) and (-7, -24)
Δy=(-24-0)=-24 and Δx=(-7-1)=-8
So, m= Δy/Δx =(-24)/(-8) =3
5) (-3, 20) and (-5, 32)
Δy=(32-20)=12 and Δx=(-5-(-3))=-2
So, m= Δy/Δx =12/(-2) =-6
6) (5, -4) and (0, -9)
Δy=(-9-(-4))=-5 and Δx=(0-5)=-5
So, m= Δy/Δx =(-5)/(-5) =1
7) (-8, -2) and (-1, -4.5)
Δy=(-4.5-(-2))=-2.5 and Δx=(-1-(-8))=7
So, m= Δy/Δx = -2.5/7
8) (-7, -2) and (6, 11)
Δy=(11-(-2))=13 and Δx=(6-(-7))=13
So, m= Δy/Δx =13/13 =1
9) (-2, -6.5) and (4, -8)
Δy=(-8-(-6.5))= -1.5 and Δx=(4-(-2))=6
So, m= Δy/Δx = -1.5/6 = -1/4
Therefore, slope of a line with the coordinates (-7, -2) and (6, 11) is 1.
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Find a power series representation for the function. (Give your power series representation centered at x = 0.) f(x) = 4 3 − x f(x) = [infinity] n = 0 Incorrect: Your answer is incorrect. Determine the interval of convergence. (Enter your answer using interval notation.)
The interval of convergence for this power series is (-∞, ∞) and the radius of convergence is infinite.
The power series representation of the function f(x) = 4 - 3x centered at x = 0 is given by the formula:
\(f(x) = [infinity]n=0 (4 (-3)^n * x^n)\)
This power series can be used to represent the function for values of x in the interval of convergence. The interval of convergence for this power series is calculated by taking the limit of the absolute value of the coefficient of the highest power of x as n approaches infinity. In this case, the coefficient of the highest power of x is \(4(-3)^n\), so the limit of the absolute value of this coefficient is \(|4(-3)^∞|\) = 0. Thus, the interval of convergence for this power series is (-∞, ∞).
We can also calculate the radius of convergence for this power series. The radius of convergence is the distance from the center of the series, in this case x = 0, to the point at which the series diverges. To calculate the radius of convergence we can use the ratio test. The ratio test states that if \(lim |a(n+1)/a(n)| < 1,\) then the series converges. The ratio of any two consecutive terms in this series is \(|4(-3)^(n+1)/4(-3)^n| = |-3|\), which is less than 1. Thus, the radius of convergence for this power series is infinite.
In conclusion, the power series representation of the function f(x) = 4 - 3x centered at x = 0 is given by the formula: \(f(x) = [infinity]n=0 (4 (-3)^n * x^n)\). The interval of convergence for this power series is (-∞, ∞) and the radius of convergence is infinite.
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